231 junior backend engineer jobs at 105 companies in California
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Backend Engineer - Connectivity
San Mateo, California, United States
$125k-$160k/yr OnsiteFull Time
1+ YOE1+ years backend experience, BS/MS in CS or related, proficiency in Python and/or Go, experience with Redis/DynamoDB/Postgres, Kafka/SQS, Terraform/Kubernetes, and REST APIs.
Redis, DynamoDB, Postgres, Kafka, SQS, Terraform, Kubernetes, Python, Go, REST APIs
2w
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Backend Engineer, Link (US)
New York City or Seattle or San Francisco or Toronto
HybridFull Time
2+ YOERequires 2–10+ years of industry software engineering experience, strong coding and collaboration skills, autonomy, and interest in backend work across varied technologies and stacks.
2w
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Backend Software Engineer
San Francisco, California, United States
$165k-$225k/yr OnsiteFull Time
2+ YOE2+ years of backend engineering experience; scalable systems, APIs, and data pipelines; production-grade infrastructure; customer-focused delivery; bonus experience in DSP, speech, ML deployment, or engineering leadership.
Node.js, tRPC, PostgreSQL, AWS, Trigger.dev, WebRTC, FFmpeg, TypeScript
2d
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Engineer, Backend
San Francisco, California, United States
$120k-$175k/yr HybridFull Time
Early-career engineer with shipped software, strong communication, web fundamentals, sound judgment, ownership, curiosity, and fluency with AI coding tools. TypeScript, GraphQL, Docker, cloud, or LLM experience preferred.
TypeScript, GraphQL, Docker, Google Cloud Provider, Amazon Web Services
3w
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Backend Engineer Graduate (User Growth) - 2027 Start
San Jose, California, United States
$128k-$256k/yr OnsiteFull Time
0+ YOEBachelor's in CS or related, familiarity with Golang/Python/Java/C++, backend and distributed systems, databases and cloud-native components (MySQL, Redis, MongoDB, Docker, Kubernetes), strong communication and problem-solving.
Golang, Python, Java, C++, MySQL, Redis, MongoDB, Docker, Kubernetes, LLM
3w
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Backend Software Engineer (Golang)
San Diego, California, United States
OnsiteFull Time
Backend software engineering role developing satellite connectivity services for Apple devices; the posting does not specify education, experience, or certification requirements.
Golang
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Backend Platform Engineer
San Francisco, California, United States
$180k-$240k/yr OnsiteFull Time
2+ YOEMinimum 2 years backend infra experience; familiarity with Python, DevOps, Bash, Linux, Kubernetes, Terraform, AWS/GCP; Typescript is a bonus; strong problem-solving for national security use cases.
Python, DevOps, Bash, Linux, Kubernetes, Terraform, AWS, GCP, Typescript
3w
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Senior Backend Software Engineer
San Francisco, California, United States
$155k-$180k/yr OnsiteFull Time
4+ YOERequires 4+ years of backend engineering and programming experience, strong JVM expertise, Kafka and Kubernetes experience, cloud-native platform knowledge, and observability platform experience.
Kotlin, TypeScript, Python, gRPC, REST APIs, GraphQL, MQTT, Kubernetes, Apache Kafka, Datadog, AWS, GCP, Azure, AWS IoT, SQL, Flink, Spark, Istio, Spring Boot, Micronaut, Pulumi, Terraform, Stripe
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Backend Compiler Engineer
Austin or Texas or Oregon or California or Redmond or Santa Clara
$124k-$242k/yr OnsiteFull Time
2+ YOE2+ years compiler code generation experience, B.S. in Computer Science/Engineering or equivalent, strong C++ skills, compiler optimization experience, good communication and documentation.
C++, CUDA, DirectX, OpenGL, Vulkan, PTX, LLVM, TableGen, LLVM IR, Machine IR (MIR)
4d
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Software Engineer, Backend
San Carlos, California, United States
$135k-$190k/yr HybridFull Time
2+ YOERequires 2+ years building backend systems or equivalent internships, projects, or coursework; Python or JavaScript/TypeScript experience; API and database familiarity; and understanding of reliability, performance, and security fundamentals.
Python, JavaScript, TypeScript, Node.js, CI/CD, DevOps
3w
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Backend Software Engineer
San Francisco, California, United States
$120k-$140k/yr HybridFull Time
1+ YOE1–3 years of software engineering experience; production systems experience with Golang or Java, Python, or Scala; distributed systems, cloud-native, Kubernetes, CI/CD, databases, and Git expertise.
Golang, Java, Python, Scala, AWS, GCP, Azure, Kubernetes, GitHub Actions, Redis, Cassandra, DynamoDB, ScyllaDB, Postgres, ElasticSearch, git, GitHub
2mo
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Backend Engineer, Applied Agents (Los Altos)
Los Altos, California, United States
OnsiteFull Time
2+ YOE2+ years building and operating production backend systems; strong API, data modeling, database, and reliability skills; hands-on experience with LLM/RAG/vector DB systems and agent runtimes; familiarity with AI coding tools.
Python, FastAPI, Postgres, vector DB, RAG, LangGraph, AWS, Terraform, Kubernetes, Claude Code, Cursor
1w
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Back-End Infrastructure Engineer
Paris or London or New York City or San Francisco or Toronto
€66k-€120k/yr HybridFull Time
Software engineering experience in production products, infrastructure experience with Kubernetes, IaC and public cloud, and object-oriented design experience using languages such as C#, Java, C++, Golang, Rust, Python or Ruby.
C#, .NET Core, Linux, React, TypeScript, PostgreSQL, Google Cloud Platform, Docker, Kubernetes, Terraform, RabbitMQ, CircleCI, Java, C++, Golang, Rust, Python, Ruby
1mo
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Backend Compiler Engineer - New College Grad 2026
Santa Clara, California, United States
$108k-$196k/yr OnsiteFull Time
Recent BS/MS in Computer Science or Computer Engineering (or equivalent), compiler design coursework, LLVM backend experience, strong C/C++ coding and communication skills.
LLVM, LLVM IR, Machine IR (MIR), GlobalISel, TableGen, C/C++, CUDA, PTX, OpenGL, DX, Vulkan
2mo
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Senior Developer, Back-End
Los Angeles or Tempe
$143k-$165k/yr HybridFull Time
5+ YOE5+ years software development experience; expertise in AWS serverless (Lambda, SQS, RDS, Step Functions), TypeScript; proficiency with CloudWatch/Datadog, CI/CD (GitHub Actions), OpenSearch, and mentoring/junior developer leadership.
AWS Lambda, SQS, RDS, Step Functions, TypeScript, Python, Java, AWS CloudWatch, Datadog, OpenSearch, GitHub Actions, npm, CloudFormation, Terraform, Docker, ECS, EKS
2w
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AI Backend Product Engineer
San Francisco, California, United States
$200k-$400k/yr OnsiteFull Time
2+ YOE2+ years building product-driven software; proficiency in a modern language such as JS/TS or Go; Python exposure; web frameworks, APIs, and cloud infrastructure experience; strong product judgment and AI curiosity.
JavaScript (JS), TypeScript (TS), Go, Python
1mo
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Backend Compiler Engineer - New College Grad 2026
Santa Clara, California, United States
$108k-$196k/yr OnsiteFull Time
Recent bachelor's or master's graduate in computer science or computer engineering with compiler design coursework, LLVM code-generation knowledge, strong C/C++ skills, and software engineering communication skills.
C, C++, LLVM, LLVM IR, Machine IR (MIR), GlobalISel, TableGen, CUDA, PTX, OpenGL, Vulkan, DirectX, OpenCL, Fortran
1mo
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Software Engineer, Backend, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
2+ YOEBachelor's in a technical field or equivalent experience,2+ years post-Bachelor’s software development experience,experience with distributed systems,operational skills,collaboration and strong CS fundamentals.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services
1mo
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Back-End Storage Developer
Tucson or Research Triangle Park or San Jose or Austin
$101k-$139k/yr OnsiteFull Time
Bachelor's degree required; Linux storage administration, Ceph/OpenShift/Kubernetes experience; scripting in Python and Bash and programming in C/C++; troubleshoot, send upstream patches, and collaborate with global teams.
Ceph, OpenShift, Kubernetes, Python, Bash, C, C++, Linux, RADOS, CephFS, RBD, Prometheus, Grafana, AWS, Azure, GCP
4w
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Backend Software Engineer Graduate (Platform) - 2027 Start
San Jose, California, United States
OnsiteFull Time
Bachelor's or Master's in Computer Science or similar, coursework/projects in web, Unix/Linux, distributed systems or networking, strong programming and problem-solving, interest in IT operations concepts.
Golang, Python, Hadoop, Kafka, Apache, Unix, Linux
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